<template>
  <el-upload
    class="avatar-uploader"
    action=""
    :show-file-list="false"
    :before-upload="beforeAvatarUpload"
    :http-request="uploadImage"
  >
    <img v-if="value" :src="value" class="avatar" />
    <i v-else class="el-icon-plus avatar-uploader-icon" />
  </el-upload>
</template>

<script>
import COS from 'cos-js-sdk-v5'
export default {
  props: {
    value: {
      type: String,
      default: ''
    }
  },
  methods: {
    beforeAvatarUpload(file) {
      const isJPG = [
        'image/jpeg',
        'image/png',
        'image/gif',
        'image/bmp'
      ].includes(file.type)
      const isLt2M = file.size / 1024 / 1024 < 5

      if (!isJPG) {
        this.$message.error('上传头像图片只能是 JPG PNG GIF BMP 格式!')
      }
      if (!isLt2M) {
        this.$message.error('上传头像图片大小不能超过 5MB!')
      }
      return isJPG && isLt2M
    },
    uploadImage(params) {
      const cos = new COS({
        SecretId: 'AKIDY6WdaP4axCHD0e9VgibLuLckU4VnwvjP',
        SecretKey: 'bAarzwkPvGSTKl4GKI9tX4Unz43xmXDo'
      })
      cos.putObject(
        {
          Bucket: 'heimahr-1302784756', // 存储桶名称
          Region: 'ap-nanjing', // 地域
          Key: params.file.name, // 文件名
          Body: params.file, // 文件对象
          StorageClass: 'STANDARD' // 标准存储
        },
        (err, data) => {
          if (data.statusCode === 200 && data.Location) {
            this.$emit('input', `http://${data.Location}`)
          } else {
            this.$message.error(err.Message)
          }
        }
      )
    }
  }
}
</script>

<style lang="scss" scoped>
.avatar-uploader {
  :deep(.el-upload) {
    border: 1px dashed #d9d9d9;
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
  }
}
.avatar-uploader {
  :deep(.el-upload:hover) {
    border-color: #409eff;
  }
}
.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  line-height: 178px;
  text-align: center;
}
.avatar {
  width: 178px;
  height: 178px;
  display: block;
}
</style>
